1017. Maintenance4. Remove dust from the filter unit and the filter cover.Clean both outside and inside.5. Attach the four filters to the filter unit and the filter cover.Filter unit: Attach two coarse-texture sponge filters (large andsmall) to the filter unit.Filter cover: Attach two fine-texture sponge filters (large and small)to the filter cover.The fine-texture sponge filter has slits on it. Align these slits withthe protrusions of the filter cover.Coarse-texturespongeFine-texturesponge6. Attach the filter cover back to the filter unitAlign the filter unit with the filter cover and push the six protrusionsinto place.• Make sure all six mounting points are aligned properly.7. Put the filter unit back to the projector cabinet.Insert two catches of the tip of the filter unit into the groove of thecabinet, and push the button to close the filter unit.• Push the filter unit until it clicks into place.8. Clear the filter usage hours.Plug the power cord into the wall outlet, and then turn on theprojector.From the menu, select [RESET] → [CLEAR FILTER HOURS]. (→page 85)The interval time to clean the filters is set to [OFF] at time of ship-ment. When using the projector as it is, you do not clear the filterusageButtonGroove
